// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ipc/mojo/ipc_mojo_param_traits.h"

#include "ipc/ipc_message_utils.h"
#include "ipc/mojo/ipc_mojo_message_helper.h"

namespace IPC {

void ParamTraits<mojo::MessagePipeHandle>::Write(Message* m,
    const param_type& p)
{
    WriteParam(m, p.is_valid());
    if (p.is_valid())
        MojoMessageHelper::WriteMessagePipeTo(m, mojo::ScopedMessagePipeHandle(p));
}

bool ParamTraits<mojo::MessagePipeHandle>::Read(const Message* m,
    base::PickleIterator* iter,
    param_type* r)
{
    bool is_valid;
    if (!ReadParam(m, iter, &is_valid))
        return false;
    if (!is_valid)
        return true;

    mojo::ScopedMessagePipeHandle handle;
    if (!MojoMessageHelper::ReadMessagePipeFrom(m, iter, &handle))
        return false;
    DCHECK(handle.is_valid());
    *r = handle.release();
    return true;
}

void ParamTraits<mojo::MessagePipeHandle>::Log(const param_type& p,
    std::string* l)
{
    l->append("mojo::MessagePipeHandle(");
    LogParam(p.value(), l);
    l->append(")");
}

} // namespace IPC
